I don't see any NSF representatives listed on any of the speakers lists for the conference.
http://www.gov2expo.com/gov2expo2010/public/schedule/speakers
Other federal agencies are represented there, such as the White House (including the new Office of Social Innovation and Civic Participation), the Departments of State, Defense, Labor, HHS and Veteran Affairs, CIA, NIST, NASA, NOAA, NIH, GSA, USPTO and the Library
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